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Name: |
C2851-H-VSEC/K9 |
Description: | 2851H.Perf.VSEC:AIM-VPN2/SSL,PVDM2,CCME/SRST,AIS,256F/512D |
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GTIN: | 818250334406 ![]() |
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C2851-H-VSEC/K9 Overview
C2851-H-VSEC/K9 is a fixed architecture enterprise router engineered with redundant AC power options and dual WAN configuration, featuring 10/100 Ethernet interfaces that deliver reliable wired connectivity. It offers integrated voice services and robust firewall security, ensuring high throughput performance of approximately 0.085 Gbps for demanding network environments.
C2851-H-VSEC/K9 supports modular expansion via two EHWIC slots and implements VPN features including IPSec and SSL VPN to secure branch connectivity. Designed for enterprise use, it provides high availability, QoS capabilities, and comprehensive remote management support, making it ideally suited for businesses that require secure, integrated services without compromise.
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C2851-H-VSEC/K9 Specifications
Product Type | Enterprise Router |
VPN Support | IPSec / SSL VPN / DMVPN |
Power Source | AC Power Supply / Redundant |
Routing Protocols | OSPF / BGP / EIGRP / RIP / Static Routing |
Broadband | N/A |
Architecture | Fixed |
WAN Configuration | Dual WAN |
WAN Ports | 2 WAN |
LAN Ports | N/A |
Ethernet Technology | 10/100 |
Wi-Fi Standard | N/A |
Connectivity Type | Wired |
Network Protocols | IPv4 / IPv6 |
Remote Management | SSH / Telnet / SNMP |
Compliance Standards | FCC / CE / RoHS |
Wireless Support | No |
Speed/Capacity | N/A |
Firewall Features | Yes |
Features | VPN / VoIP / IPv6 Compatible / Firewall |
Use Case | Enterprise |
Management | Managed |
Form Factor | Rack-mount |
Integrated Services | Voice |
High Availability Support | Supported |
Safety | N/A |
EMC | N/A |
Telecom | N/A |
Throughput Capacity | 0.085 Gbps |
QoS Features | Supported |
Built-in Security Features | Firewall / Intrusion Prevention |
Expansion Slots | EHWIC |
Modular Slots Available | 2 Slots |
Stacking Capability | No |
5G Support | No |
Memory | 512 MB |
Flash Memory | 256 MB |
Interface Ports | RJ-45 |
Power | 140W |
Device Type | Router |
Product Name | Cisco 2851-H-VSEC/K9 |
Height | N/A |
Width | N/A |
Depth | N/A |
Weight | N/A |
Quality Certifications
To get the detailed certification, please go to the Compliance Center.







Product Comparison Table
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Product Type | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router |
Connectivity Type | Wired | Wired | Wired | Wired | Wired |
Broadband | N/A | N/A | Fiber Optic | Fiber Optic / DSL | Fiber Optic |
Power Source | AC Power Supply / Redundant | AC Power Supply / Redundant | AC Power Supply with redundant options | AC Power Supply / Redundant | AC Power Supply with Redundant DC Option |
Architecture | Fixed | Fixed | Modular | Modular | Modular |
WAN Configuration | Dual WAN | Dual WAN | Dual WAN | Dual WAN | Dual WAN |
WAN Ports | 2 WAN | 4 WAN | 2 Modular WAN Ports | 2 WAN | 2 WAN |
LAN Ports | N/A | 4 LAN Ports | 4 Modular LAN Ports | 8 LAN Ports | 8 LAN Ports |
Ethernet Technology | 10/100 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
Wi-Fi Standard | N/A | WiFi 5 | N/A | N/A | N/A |
Wireless Support | No | Yes | No | No | No |
Speed/Capacity | N/A | Gigabit | Gigabit | Gigabit | Gigabit |
Routing Protocols Supported | - | - | - | - | - |
VPN Support | IPSec / SSL VPN / DMVPN | IPSec / SSL VPN | IPSec / SSL VPN / GRE | IPSec / SSL VPN / GRE | IPSec / SSL VPN / GRE / DMVPN / FlexVPN |
Firewall Features | Yes | Yes | Yes | Yes | Yes |
Features | VPN / VoIP / IPv6 Compatible / Firewall | VPN / Firewall / IPv6 / Integrated Services | VPN, Firewall, IPv6 Compatible, High Availability | VPN, IPv6 Compatible, Firewall, MPLS, Syslog | VPN, IPv6 Compatible, Firewall, MPLS |
Use Case | Enterprise | Enterprise / Small Business / Industrial | Enterprise | Enterprise | Enterprise |
Management | Managed | Managed | Managed | Managed | Managed |
Form Factor | Rack-mount | Desktop | Rack-mount Chassis | Rack-mount | Rack-mount |
Integrated Services | Voice | Voice / Video / WAN Optimization | Voice, Video, WAN Optimization | Voice, Video, WAN Optimization | Voice, Video, WAN Optimization |
High Availability Support | Supported | Supported | Supported | Supported | Supported |
Throughput Capacity | 0.085 Gbps | 0.25 Gbps | 2 Gbps | 10 Gbps | 10 Gbps |
QoS Features | Supported | Supported | Supported | Supported | Supported |
Built-in Security Features | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention / Malware Protection | Firewall, Intrusion Prevention | Firewall, Intrusion Prevention, Malware Protection | Firewall, Intrusion Prevention, Malware Protection |
Expansion Slots | EHWIC | EHWIC / NIM | NIM, SFP+ | NIM, SFP+ | NIM |
Modular Slots Available | 2 Slots | 1 Slot | 3+ Slots | 3+ Slots | 3+ Slots |
Stacking Capability | No | No | Yes | Yes | Yes |
5G Support | No | No | No | No | No |
Memory | 512 MB | 1 GB | 4 GB | 4 GB | 4 GB |
Flash Memory | 256 MB | 512 MB | 512 MB | 512 MB | 256 MB |
Interface Ports | RJ-45 | RJ-45 / SFP | RJ-45, SFP+ | RJ-45, SFP+, Combo Ports | RJ-45, SFP |
Device Type | Router | Router | Router | Router | Router |
Product Name | Cisco 2851-H-VSEC/K9 | Cisco C1111-4PWB Integrated Services Router | 7603S-RSP720C-P | AR0M1576BA00 Enterprise Modular Router | CR5P5KSFU06B Enterprise Modular Router |
Height | N/A | N/A | 4 inches | 2 inches | 2 inches |
Width | N/A | N/A | 17 inches | 19 inches | 17 inches |
Depth | N/A | N/A | 18 inches | 18 inches | 16 inches |
Weight | N/A | N/A | 25 lbs | 15 lbs | 15 lbs |
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